题目

阅读理解Caladidn't like us. Any of us. We didn't do anything to offend her and she didn'tknow us but that didn't matter; she still didn't like us. Asnew teachers in the Emirati school, we Westerners greeted her every day. Sheignored us. She came into our rooms and bypassed us as she shook hands with allthe non-Westerners. When- ever we saw her, she avoided eye contact with us.Eventually, we stopped trying to befriend her. Iwouldn't say her nationality but her friends had been fired from the school. Wehad been employed in their places and that was enough for her to have nothingto do with us已知单项式3am+2b4与a5bn-1是同类项，则m=________，n=________．